connect usb !!!!

ive been reading the problems others have had with usb as im in the same boat,ive tried most things but am stuck on [bios] ??.pc was given to us but i just bought a printer set it up and hay presto connect usb is all i get can any one give me directions as im absolute beginner.

After some months of trouble free operation my 2 USB connected devices (Lexmark X75 al in one) and Agfa CL34Digital Camera have stopped working when connected to the USB port of my Lap Top (Fortune) clone, running under Windows 98. The USB cable has been tested OK